Answer:
5 in
Step-by-step explanation:
A cube has 6 congruent square faces, so each has an area of ...
(150 in^2)/6 = 25 in^2
The area of each square face is the square of the side length, so ...
side length = √(25 in^2) = 5 in
The length of one side of a square face is 5 inches.
